@@ -330,6 +330,7 @@ choice
config DEBUG_S3C_UART0
depends on PLAT_SAMSUNG
+ select DEBUG_EXYNOS_UART if ARCH_EXYNOS
bool "Use S3C UART 0 for low-level debug"
help
Say Y here if you want the debug print routines to direct
@@ -341,6 +342,7 @@ choice
config DEBUG_S3C_UART1
depends on PLAT_SAMSUNG
+ select DEBUG_EXYNOS_UART if ARCH_EXYNOS
bool "Use S3C UART 1 for low-level debug"
help
Say Y here if you want the debug print routines to direct
@@ -352,6 +354,7 @@ choice
config DEBUG_S3C_UART2
depends on PLAT_SAMSUNG
+ select DEBUG_EXYNOS_UART if ARCH_EXYNOS
bool "Use S3C UART 2 for low-level debug"
help
Say Y here if you want the debug print routines to direct
@@ -363,6 +366,7 @@ choice
config DEBUG_S3C_UART3
depends on PLAT_SAMSUNG && ARCH_EXYNOS
+ select DEBUG_EXYNOS_UART
bool "Use S3C UART 3 for low-level debug"
help
Say Y here if you want the debug print routines to direct
@@ -485,6 +489,9 @@ choice
endchoice
+config DEBUG_EXYNOS_UART
+ bool
+
config DEBUG_IMX_UART_PORT
int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
DEBUG_IMX25_UART || \
@@ -579,6 +586,7 @@ endchoice
config DEBUG_LL_INCLUDE
string
+ default "debug/exynos.S" if DEBUG_EXYNOS_UART
default "debug/icedcc.S" if DEBUG_ICEDCC
default "debug/imx.S" if DEBUG_IMX1_UART || \
DEBUG_IMX25_UART || \
new file mode 100644
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* pull in the relevant register and map files. */
+
+#define S3C_ADDR_BASE 0xF6000000
+#define S3C_VA_UART S3C_ADDR_BASE + 0x01000000
+#define EXYNOS4_PA_UART 0x13800000
+#define EXYNOS5_PA_UART 0x12C00000
+
+ /* note, for the boot process to work we have to keep the UART
+ * virtual address aligned to an 1MiB boundary for the L1
+ * mapping the head code makes. We keep the UART virtual address
+ * aligned and add in the offset when we load the value here.
+ */
+
+ .macro addruart, rp, rv, tmp
+ mrc p15, 0, \tmp, c0, c0, 0
+ and \tmp, \tmp, #0xf0
+ teq \tmp, #0xf0 @@ A15
+ ldreq \rp, =EXYNOS5_PA_UART
+ movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4
+ ldr \rv, =S3C_VA_UART
+#if CONFIG_DEBUG_S3C_UART != 0
+ add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
+ add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)
+#endif
+ .endm
+
+#define fifo_full fifo_full_s5pv210
+#define fifo_level fifo_level_s5pv210
+
+#include <debug/samsung.S>
new file mode 100644
@@ -0,0 +1,87 @@
+/* arch/arm/plat-samsung/include/plat/debug-macro.S
+ *
+ * Copyright 2005, 2007 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/serial_s3c.h>
+
+/* The S5PV210/S5PC110 implementations are as belows. */
+
+ .macro fifo_level_s5pv210 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S5PV210_UFSTAT_TXMASK
+ .endm
+
+ .macro fifo_full_s5pv210 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S5PV210_UFSTAT_TXFULL
+ .endm
+
+/* The S3C2440 implementations are used by default as they are the
+ * most widely re-used */
+
+ .macro fifo_level_s3c2440 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S3C2440_UFSTAT_TXMASK
+ .endm
+
+#ifndef fifo_level
+#define fifo_level fifo_level_s3c2440
+#endif
+
+ .macro fifo_full_s3c2440 rd, rx
+ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S3C2440_UFSTAT_TXFULL
+ .endm
+
+#ifndef fifo_full
+#define fifo_full fifo_full_s3c2440
+#endif
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, # S3C2410_UTXH]
+ .endm
+
+ .macro busyuart, rd, rx
+ ldr \rd, [\rx, # S3C2410_UFCON]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+1003:
+ fifo_full \rd, \rx
+ bne 1003b
+ b 1002f
+
+1001:
+ @ busy waiting for non fifo
+ ldr \rd, [\rx, # S3C2410_UTRSTAT]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+1002: @ exit busyuart
+ .endm
+
+ .macro waituart,rd,rx
+ ldr \rd, [\rx, # S3C2410_UFCON]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+1003:
+ fifo_level \rd, \rx
+ teq \rd, #0
+ bne 1003b
+ b 1002f
+1001:
+ @ idle waiting for non fifo
+ ldr \rd, [\rx, # S3C2410_UTRSTAT]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+1002: @ exit busyuart
+ .endm
deleted file mode 100644
@@ -1,39 +0,0 @@
-/* linux/arch/arm/mach-exynos4/include/mach/debug-macro.S
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-/* pull in the relevant register and map files. */
-
-#include <mach/map.h>
-
- /* note, for the boot process to work we have to keep the UART
- * virtual address aligned to an 1MiB boundary for the L1
- * mapping the head code makes. We keep the UART virtual address
- * aligned and add in the offset when we load the value here.
- */
-
- .macro addruart, rp, rv, tmp
- mrc p15, 0, \tmp, c0, c0, 0
- and \tmp, \tmp, #0xf0
- teq \tmp, #0xf0 @@ A15
- ldreq \rp, =EXYNOS5_PA_UART
- movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4
- ldr \rv, =S3C_VA_UART
-#if CONFIG_DEBUG_S3C_UART != 0
- add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
- add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)
-#endif
- .endm
-
-#define fifo_full fifo_full_s5pv210
-#define fifo_level fifo_level_s5pv210
-
-#include <plat/debug-macro.S>
@@ -98,4 +98,4 @@
/* include the reset of the code which will do the work */
-#include <plat/debug-macro.S>
+#include <debug/samsung.S>
@@ -35,4 +35,4 @@
* will be fine with us.
*/
-#include <plat/debug-macro.S>
+#include <debug/samsung.S>
@@ -30,4 +30,4 @@
#endif
.endm
-#include <plat/debug-macro.S>
+#include <debug/samsung.S>
@@ -36,4 +36,4 @@
* will be fine with us.
*/
-#include <plat/debug-macro.S>
+#include <debug/samsung.S>
@@ -38,4 +38,4 @@
* will be fine with us.
*/
-#include <plat/debug-macro.S>
+#include <debug/samsung.S>
deleted file mode 100644
@@ -1,87 +0,0 @@
-/* arch/arm/plat-samsung/include/plat/debug-macro.S
- *
- * Copyright 2005, 2007 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <plat/regs-serial.h>
-
-/* The S5PV210/S5PC110 implementations are as belows. */
-
- .macro fifo_level_s5pv210 rd, rx
- ldr \rd, [\rx, # S3C2410_UFSTAT]
- and \rd, \rd, #S5PV210_UFSTAT_TXMASK
- .endm
-
- .macro fifo_full_s5pv210 rd, rx
- ldr \rd, [\rx, # S3C2410_UFSTAT]
- tst \rd, #S5PV210_UFSTAT_TXFULL
- .endm
-
-/* The S3C2440 implementations are used by default as they are the
- * most widely re-used */
-
- .macro fifo_level_s3c2440 rd, rx
- ldr \rd, [\rx, # S3C2410_UFSTAT]
- and \rd, \rd, #S3C2440_UFSTAT_TXMASK
- .endm
-
-#ifndef fifo_level
-#define fifo_level fifo_level_s3c2440
-#endif
-
- .macro fifo_full_s3c2440 rd, rx
- ldr \rd, [\rx, # S3C2410_UFSTAT]
- tst \rd, #S3C2440_UFSTAT_TXFULL
- .endm
-
-#ifndef fifo_full
-#define fifo_full fifo_full_s3c2440
-#endif
-
- .macro senduart,rd,rx
- strb \rd, [\rx, # S3C2410_UTXH]
- .endm
-
- .macro busyuart, rd, rx
- ldr \rd, [\rx, # S3C2410_UFCON]
- tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
- beq 1001f @
- @ FIFO enabled...
-1003:
- fifo_full \rd, \rx
- bne 1003b
- b 1002f
-
-1001:
- @ busy waiting for non fifo
- ldr \rd, [\rx, # S3C2410_UTRSTAT]
- tst \rd, #S3C2410_UTRSTAT_TXFE
- beq 1001b
-
-1002: @ exit busyuart
- .endm
-
- .macro waituart,rd,rx
- ldr \rd, [\rx, # S3C2410_UFCON]
- tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
- beq 1001f @
- @ FIFO enabled...
-1003:
- fifo_level \rd, \rx
- teq \rd, #0
- bne 1003b
- b 1002f
-1001:
- @ idle waiting for non fifo
- ldr \rd, [\rx, # S3C2410_UTRSTAT]
- tst \rd, #S3C2410_UTRSTAT_TXFE
- beq 1001b
-
-1002: @ exit busyuart
- .endm
The move is necessary to support early debug output on exynos with multiplatform configurations. This implies also moving the plat/debug-macro.S file, but we are leaving the remaining users of that file in place, to avoid adding large numbers of extra configuration options to Kconfig.debug Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/Kconfig.debug | 8 +++ arch/arm/include/debug/exynos.S | 39 +++++++++++ arch/arm/include/debug/samsung.S | 87 ++++++++++++++++++++++++ arch/arm/mach-exynos/include/mach/debug-macro.S | 39 ----------- arch/arm/mach-s3c24xx/include/mach/debug-macro.S | 2 +- arch/arm/mach-s3c64xx/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5p64x0/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5pc100/include/mach/debug-macro.S | 2 +- arch/arm/mach-s5pv210/include/mach/debug-macro.S | 2 +- arch/arm/plat-samsung/include/plat/debug-macro.S | 87 ------------------------ 10 files changed, 139 insertions(+), 131 deletions(-) create mode 100644 arch/arm/include/debug/exynos.S create mode 100644 arch/arm/include/debug/samsung.S delete mode 100644 arch/arm/mach-exynos/include/mach/debug-macro.S delete mode 100644 arch/arm/plat-samsung/include/plat/debug-macro.S